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Finding the Third Proportional to 100,543 and 156,748

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Solution

The third proportional to 100,543 and 156,748 is: 244,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,543 : 156,748 = 156,748 : x
  2. Step 2: Convert to fraction form
    100,543/156,748 = 156,748/x
  3. Step 3: Cross multiply
    100,543x = 156,748 × 156,748
  4. Step 4: Simplify right side
    100,543x = 24,569,935,504
  5. Step 5: Solve for x
    x = 24,569,935,504/100,543
  6. Step 6: Final answer
    x = 244,372.41

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.